Seiko Cal. 6690 - 615

The Seiko 6690-615 represents an important milestone in Seiko's 1979 lineup. Powered by the 6690 caliber with 26j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-683192a4ce28]

Also known as: Samurai, Emperor

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1979

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